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                <h1>第四代 Intel Core 处理器</h1>

                <p>无论是什么任务，配备 Intel HD Graphics 5000 图形处理器的第四代 Intel Core 处理器都能应对自如。</p>

            

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                <h1>MacBook Air</h1>

                <p>有了新一代 802.11ac 技术，MacBook Air 令 Wi-Fi 速度超越极限。</p>

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